[autotools->cmake] Enable generation of doxygen documentation via cmake.
I am going to add in a subsequent patch support for generating the llvm
manpage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189164 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
new file mode 100644
index 0000000..505b5db
--- /dev/null
+++ b/docs/CMakeLists.txt
@@ -0,0 +1,31 @@
+
+if (LLVM_BUILD_DOCS)
+ set(LLVM_DOCS_ADD_TO_ALL ALL)
+endif()
+
+if (DOXYGEN_FOUND)
+if (LLVM_ENABLE_DOXYGEN)
+ set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
+ set(abs_top_builddir ${LLVM_BINARY_DIR})
+
+ if (HAVE_DOT)
+ set(DOT ${LLVM_PATH_DOT})
+ endif()
+
+ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/doxygen.cfg.in
+ ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg @ONLY)
+ set(abs_top_srcdir)
+ set(abs_top_builddir)
+ set(DOT)
+
+ add_custom_target(doxygen ${LLVM_DOCS_ADD_TO_ALL}
+ COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg
+ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+ COMMENT "Generating doxygen documentation." VERBATIM)
+
+ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+ install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doxygen/html
+ DESTINATION docs/html)
+ endif()
+endif()
+endif()